diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_drv.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index e266ffc520d2..ccd4ad4ee592 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -34,9 +34,11 @@ #include "radeon_drv.h" #include <drm/drm_pciids.h> +#include <linux/apple-gmux.h> #include <linux/console.h> #include <linux/module.h> #include <linux/pm_runtime.h> +#include <linux/vgaarb.h> #include <linux/vga_switcheroo.h> #include <drm/drm_gem.h> @@ -319,6 +321,23 @@ static int radeon_pci_probe(struct pci_dev *pdev, { int ret; + /* + * Initialize amdkfd before starting radeon. If it was not loaded yet, + * defer radeon probing + */ + ret = radeon_kfd_init(); + if (ret == -EPROBE_DEFER) + return ret; + + /* + * apple-gmux is needed on dual GPU MacBook Pro + * to probe the panel if we're the inactive GPU. + */ + if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) && + apple_gmux_present() && pdev != vga_default_device() && + !vga_switcheroo_handler_flags()) + return -EPROBE_DEFER; + /* Get rid of things like offb */ ret = radeon_kick_out_firmware_fb(pdev); if (ret) @@ -570,8 +589,6 @@ static int __init radeon_init(void) return -EINVAL; } - radeon_kfd_init(); - /* let modprobe override vga console setting */ return drm_pci_init(driver, pdriver); } |